PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
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Backend ML Engineer
North Sioux City or United States
OnsiteFull Time
3+ YOE3-5 years backend/ML experience; Python (FastAPI/Flask); ML libs; cloud (AWS/GCP/Azure); LLM integration; vector DBs; RAG; production ML; DoD clearance preferred.
Python, FastAPI, Flask, PyTorch, Hugging Face Transformers, sentence-transformers, AWS, GCP, Azure, Weaviate, pgvector, Pinecone, Qdrant, RAG, LangChain, LlamaIndex, Haystack, MLflow, Weights & Biases, Kubeflow, Docker, Kubernetes
8h
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Member of Technical Staff, Custody (Backend Engineer)
United States or Brazil or Argentina or Portugal or Canada or Singapore or San Francisco or New York City or Porto or Sioux Falls
RemoteFull Time
Experienced engineer in distributed systems, strong CS fundamentals (concurrency, algorithms, data structures), Go experience preferred, resilient service design, code quality, testing, mentoring and cross-functional collaboration.
Go, GraphQL, gRPC
3w
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Software Engineer II - Backend APIs and Services (Sioux Falls, SD, US)
Sioux Falls, South Dakota, United States
$83k-$127k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience, 2+ years commercial software experience, proficiency with .NET Core, Entity Framework, SQL (PostgreSQL, Microsoft SQL), cloud (Azure/AWS), Git, REST/SOAP, debugging, and teamwork.
.NET Core, Entity Framework, PostgreSQL, Microsoft SQL, SQL, Azure, AWS, Git, REST, SOAP, Terraform, Apache Kafka, MongoDB, Atlassian
1mo
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Member of Technical Staff, Agentic Banking (Product Engineer)
New York or San Francisco or Sioux Falls or Porto or Singapore or United States
RemoteFull Time
8+ YOE8+ years full‑stack development experience; strong product judgment; build frontend, backend, APIs, and docs; familiarity or willingness to learn crypto/financial systems; excellent written communication and AI-assisted execution skills.
1mo
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Member of Technical Staff, Atlas
United States or New York City or San Francisco or Porto or Singapore or Sioux Falls
RemoteFull Time
8+ YOE8+ years building backend services, designing customer-facing APIs and cloud-native microservices; production on-call experience; strong CS fundamentals; mentoring and architecture leadership.
C++, Go, Kubernetes, TypeScript, React